Sustainability isn't an option; it's a necessity for the future of our planet.

每个数学问题都有解决方案，但并非每个解决方案都显而易见。

幸福者的世界与不幸者的世界是完全不同的。

Leadership is not about being in charge; it's about taking care of those in your charge.

要在计算机科学中创新，首先必须掌握基础。